Square Washer 1)Standard:DIN,ANSI,BS,JIS,GB 2)Size:M3-M76 3)Material:Steel,Stainless steel 4)Finish:Zinc,Black,Nickel SpecificationsSquare Washer ... ,JIS,GB 2)Size:M3-M76 3)Material:Steel,Stainless steel 4)Finish:Zinc,Black,Nickel,TinMetal Square Washer1) Standard: DIN, BS, IFI, JIS ...